Deflector



J. R. COLE July 21, 1931.

DEFLECTOR Filed Oct. 7, 1929 5,55 59 sea-Q JAMES R. COLE.

INVENTOR ATTORNEY Patented July 21, 1 931 UNITED STATES JAMES R. COLE, Oil? TULSA, OKLAHOMA DEFLECTOR Application filed October 7, 1929. Serial No. 397,522.

My invention relates to a deflector and more particularly to a wheel adapted to change the direction of motion of a flexible reciprocating power element.

Fairleaders and self aligning pulleys and the like are not suitable for use with my invention as set forth in my application entitled a Power unit, filed Nov. 11, 1927, Serial No. 232,67 9 and it is the object of this invention 10 to create a deflecting sheave wheel device which will not only function perfectly in relationship with the above referred to power unit but which may be utilized in other suitable installations.

My device is adapted to be mounted directly below the lowermost point through which a crank pin passes and a flexible power element leads from a wrist pin iron or plate encircling the crank or wrist pin through a sheave wheel pivotally mounted on the base of my device. The base has a boss which is adapted to be revolubly mounted in a foundation and thus proper alignment of the device may be obtained A sheave wheel is rotatably mounted in a frame andthis frame is pivoted onto the base. The inner edge of the sheave wheel is directly above the axis or center line of the boss. The bottom edge of the sheave wheel is in alignment with the pivot mounting of the frame. The power element may consist of a chain or a cable. This power element leads from the well pumping unit at the well to the rotating wrist or crank pin. The element passes through or around the deflector unit and thus has its direction of pull changed from ahorizontal plane to a vertical plane or vice versa.

One advantage of my invention is that I mount my pulley or sheave wheel with its bottom edge substantially in line with the axis about which the-frame swivels or swings and thus the power element remains in exact alignment at all times.

The exact alignment, supra, is obtained by another advantage or novel feature of my invention. This consists of forming the bear ing-or connection between the frame and its base so that a central aperture is allowed to remain in alignment with the axis thereof.

Hence, by sighting through this hollow telescope one may adjust the base about its boss until it is exactly in line. Then it may be fixed in position.

This boss serves as a sort of guiding means. That is, the boss is placed under the base directly below the rim of the sheave wheel at its inner side. Before positioning the base orbase plate a point is obtained directly below the center of the wrist pin when it is in its center position and at this point a recess may be formed for the mounting of the boss therein. When this is done the inner edge of the sheave wheel will be inline with a vertical plane bisecting the crank or wrist pin transversely and will remain so as the bearing between the frame and the base is in perpendicular relationship to this plane.

Another advantage resides in my adjust able stop means such as bolts threaded into the base plate which prevents the frame from excessive movement Also, these bolts prevent the frame from falling down sideways when the tension on the lower element ceases or slackens. Furthermore, these adjusting bolts are an aid when transporting the device since they may be tightened so as to hold all parts in rigid relationship.

Still another advantage lies in my means for preventing the chain power element from hanging or catching on the edges of the guard which is usually used with the sheave wheel. The rivet-sor bolts in a sprocket chain are prone to hit and get hung up on the side edges of the guard and especially so when the well 7 has been disconnected from the far end of the power element, and I provide curved means which guides the protruding bolt heads or rivets past the abrupt edges of the guard. Other .obj ects and advantages reside in the special construction, combination and ar rangement of'the various elements forming the invention as more fully hereinafter de scribed and claimed, reference being had to the accompanying drawings forming part hereof, wherein;

Figure 1 is a side view of a. modified form of my invention.

Figure 2 is an end view of Figure 1, the dotted lines showing the position which the frame may assume.

Figure 3 is a top or plan view of the modified form shown in Figures 1 and 2.

Figure 4 is a side View of the preferred form of my invention.

Figure 5 is a view in cross section taken along the line V-V of Figure 4.

Figure 6 is a view looking in the direction of the arrow -A-. shown in Figure 4.

Figure 7 is a view of the bottom of the base, plate.

Similar numerals designate similar parts throughout the several views.

In the drawings 10 indicates the base or base plate which is held to a foundation (not shown) by means of bolts 11-. The base plate -...10- has. upstanding lugs or ears T12 and fl8 for supporting the journal or pipe 14.-.

A yoke or frame member l5e has a bearing -16-., which ooaots with the journal -.-14, and is bifurcated as at 17. A sprocket or wheel .19 is revolubly mounted between the two arms of the bifurcation by means of the pin 18- and a flexible power element or chain 20. is trained thereover as clearly shown in Figure 1.

A guard .22-..+ is fastened to the frame and moves therewith. This guard has two curved members and 24- viiich are rigid therewith as shown in Figure 2. These members keep. the projecting parts of the chain from catching on the edges of the guard when the chain is slackened.

Studs +25? andare threadedly engaged in the bosses and 28 and serve as stops to limit the arcuate movement of the frame member 15 H and its appurtenances.

Referring now to the preferred modification shown in Figures $77, inclusive, which operates practically identical with the modi= iication just described, designates a base or base plate having ears or lug-s =5l and -52 on its top side and a cylindrical boss 53 on its bottom side. The boss. 53 is adapted to revolubly seat in the recess 48 in the foundation.'- l9 and thus the base may rotate. Slots 54. 55 56, and 57 are cireumposed} about the axis of the boss and bolts 58, heldrigid' in the foundation, pass therethrough and provide means for clampingthe base plate in its aligned position.

' A hollow journal or pipe 60 is supported by ears 51 and1 .52, integral with. the base plate, and a. yoke or fork 64- is journalled thereon. Ears -66- and extend. fromthe yoke and. bolts 68 are threaded therethrough and held therein by lock 6 9. Thusthe arcuate move ment of the yoke or frame may be Limited or adjusted;

A sheaveor grooved pulley 8O- lSzIOtiLt' ably mounted in the yoke or frame by means of a pin 81and a power element 82- rides therein.

A guard 70, having guide members 71, guides the power transmitting element, when slack, and is fastened to the frame .t 2 A lower guard 73 is also fastened to the yoke or frame.

' 4 -91 and 92 see Figure 4, are pro riled internally of the hollow pipe 60 as an aid to sighting therethrough.

The operation will be readily understood when this case is considered with the parent case referred to.

In both modifications the power element reciprocates in its horizontal plane and travels in a circle in the vertical plane. Hence, the device is allowed to rotate about the inhorizontal power element. Thus the rotary motion, due to the wrist pin traveling in circle, is taken care of and proper alignment is obtained at all times. Inci rd e-iliciency he result.

lVhile I have described complete embodi-.

merits of my invention I do not wish to. be limited to the particular constructions shown my invention being in fact limitedsol by the attached claims.

i1. dew ice adapted tochange the direction of motion of a flexible power element from a straight line reciprocating motion to a circular motion in a plane at right angles tothe straight line reciprocating motion comprised of a base, a boss thereon, means to support the base, said means having a reto revolubly mount the boss, means rigid with the first mentioned means to clam the base in a selected position; ears on the ase,

his power transmitting element comprised ofa base having a cylindrical shaped boss, a foundation having a recess adapted to rotatably receive the boss, means to hold the base in any selected position; a frame, means to pivotally mount the frame on the base; stop means. to limit the arcuate movement of the frame; a wheel adapted to engage said flexible power element, and with said wheel revolubly supported by the frame so that it will rotate about an axis perpendicular to the plane of rotation of the frame and also have a tangent in alignment with the axis of the cylindrical shaped boss.

3. A unit comprised of a base, a hollow shaft, means to mount the hollow shaft on the base, a wheel, and: means to. mount the wheel so as to swing bodily about the dent with one tangent to the wheel and the hollow shaft at a tangent from the rim of the axis of the first connection being coincident wheel, and means on the base in alignment with a second tangent to the wheel, and the with a tangent from the rim of the wheel tangents being at right angles to each other.

whereby the base may be swung thereabout.

4. A device adapted to change the direction of motion of a flexible power element comprised of a base, a frame, means for mounting said frame on the base, a wheel, means for revolubly mounting said wheel in said frame, said first mentioned means having an aperture through its axis and said second means supporting the wheel so that a tangent therefrom will be in alignment with the aperture.

5. An aligning device having a base, a wheel, means revolubly mount the wheel so that it may be moved bodily about a tangent thereto, and additional means to pivotally support the base about an axis substantially in alignment with a tangent to said wheel, said means for mounting the wheel having an aperture in alignment with its axis.

6. A direction changing device for a tensioned flexible power element comprised of a pivoted frame, a wheel therein, means to limit the movement of the frame, and means on the frame to contact with and guide the power element when said element is not under strain.

7. In a device having a frame and a revolving wheel therein, said structure being bodily movable about an axis and flexible means under tension passing partly around the wheel, the combination of a guard rigid with ihe frame and means mounted on said frame and adapted to prevent said flexible means from catching on said guard when the tension is remove-d from said flexible means and when the device is laying out of the plane of its working position and while the flexible means remains connected to the source of power actuating it.

8. A direction changing device for a flexible power transmitting element comprised of a base having a boss, a foundation'having a recess adapted to revolubly receive the boss, means to hold the base in any selected position; a frame, means to mount the frame on the base; a wheel adapted to receive the transmitting element and means to mount the wheel so that one tangent to its rim will be in alignment with the center of the boss.

9. A direction changing device for a flexible power transmitting element, comprising a base, a plate having a connection with the base so as to be capable of swinging movement in a horizontal plane, means connecting the plate to the base to normally prevent such swinging movement, brackets on the plate, a pin mounted in the brackets, a yoke journalled on the pin, and a wheel ournalled in the yoke, said wheel and pin laying in the same plane, the axis of the pin being coinci- In testimony whereof I aflix my signature.

' 7 JAMES R. COLE. 

